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Table 4 Area under receiver operating characteristic curve by subtype of CRC: Korean Cancer Prevention Study II sub-cohort

From: A colorectal cancer prediction model using traditional and genetic risk scores in Koreans

  

Colorectal cancer

Colon cancer

Rectal cancer

  

HR (95% CI)

HR (95% CI)*

HR (95% CI)

HR (95% CI)*

HR (95% CI)

HR (95% CI)*

TRS

Q1

1.00

1.00

1.00

1.00

1.00

1.00

 

Q2

1.97 (0.95-4.11)

2.03 (0.98-4.22)

1.60 (0.52-4.94)

1.60 (0.52-4.95)

2.28 (0.87-6.01)

2.40 (0.91-6.31)

 

Q3

2.57 (1.29-5.14)

2.62 (1.31-5.24)

2.19 (0.76-6.32)

2.16 (0.75-6.24)

2.88 (1.15-7.24)

3.02 (1.20-7.59)

 

Q4

11.29 (6.06-21.1)

11.54 (6.19-21.5)

13.33 (5.31-33.5)

13.27 (5.29-33.3)

10.16 (4.36-23.7)

10.59 (4.54-24.7)

GRS

Q1

 

1.00

 

1.00

 

1.00

 

Q2

 

1.42 (0.77-2.61)

 

0.95 (0.47-1.91)

 

3.95 (0.93-16.84)

 

Q3

 

1.68 (0.92-3.07)

 

0.77 (0.37-1.59)

 

7.06 (1.70-29.28)

 

Q4

 

2.65 (1.43-4.91)

 

1.17 (0.55-2.50)

 

10.83 (2.58-45.40)

AUROC

 

0.73 (0.69-0.78)

0.74 (0.70-0.78)

0.76 (0.70-0.83)

0.75 (0.69-0.81)

0.71 (0.65-0.77)

0.74 (0.68-0.79)

NRI

 

-

0.17 (-0.05-0.37)

 

−0.17 (-0.33-0.21)

-

0.41 (0.10-0.68)

P for NRI

 

0.108

 

0.688

 

0.008

  1. CRC: colorectal cancer, TRS: traditional risk score, GRS: genetic risk score, HR: hazard ratio, CI: confidence interval, AUROC: Area under receiver operating characteristic curve, NRI: net reclassification index.
  2. *Combined model, AUROC for TRS alone, AUROC for TRS + GRS.